Truly successful models for component-based software development continue to prove elusive. One of the few is the use of operating system, database and similar programs in many systems. We address three related problems in this paper. First, we lack needed models. Second, we do not know the conditions under which such models can succeed. In particular, it is unclear whether the notable success with operating systems can be replicated. Third, we do not know whether certain specific models can succeed. We are addressing these problems by evaluating a particular model that shares important characteristics with the successful operating system example: using compatible PC packages as components. Our approach to evaluating such a model is to engage in a case study that aims to build an industrially successful system representative of an important class of systems. We report on our use of the model to develop a computational tool for reliability engineering. We draw two conclusions. First, this kind of model has the potential to succeed. Second, even today, the model can produce significant returns, but it clearly carries considerable risks.
基于组件的软件开发的真正成功模型仍然难以捉摸。少数几个应用之一是在许多系统中使用操作系统,数据库和类似程序。我们在本文中解决了三个相关的问题。首先,我们缺乏所需的模型。第二,我们不知道这种模式可以成功的条件。特别是,尚不清楚是否可以复制操作系统的显著成功。第三,我们不知道某些特定的模型是否可以成功。我们正在通过评估与成功的操作系统示例具有重要特征的特定模型来解决这些问题:使用兼容的PC软件包作为组件。我们评估这种模型的方法是进行案例研究,目的是构建代表重要系统类别的工业上成功的系统。我们报告了我们对模型的使用,以开发用于可靠性工程的计算工具。我们得出两个结论。首先,这种模型具有成功的潜力。其次,即使在今天,该模型也可以产生可观的回报,但显然仍带有相当大的风险。 P>
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